<!--用户管理页-->
<template>
  <div style="height:6vh;padding:10px 20px;background-color:#fff;">
    <span style="line-height:60px;font-size:20px;">用户管理</span>
    <el-button type="primary" @click="beforeAddUser"
               style="float:right;margin-top:10px;">新建用户</el-button>
  </div>
  <!-- 新建用户弹窗 -->
  <el-dialog
      :title="dialogTitle"
      v-model="dialogVisible"
      style="width: 1000px;padding:40px;"
      :before-close="handleClose"
  >
    <el-form label-width="80px" label-position="top">
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="用户名">
            <el-input placeholder="请输入用户名" v-model="saveUserForm.username"
                      :disabled="saveUserForm.id!=null"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="手机号">
            <el-input placeholder="请输入手机号" v-model="saveUserForm.phone"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="12">
          <el-form-item label="邮箱">
            <el-input placeholder="请输入邮箱" v-model="saveUserForm.email"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12">
          <el-form-item label="年龄">
            <el-input placeholder="请输入年龄" v-model="saveUserForm.age"></el-input>
          </el-form-item>
        </el-col>
      </el-row>
      <el-row :gutter="10">
        <el-col :span="6">
          <el-form-item label="职级">
            <el-select placeholder="请选择" v-model="saveUserForm.level" @change="loadLeader">
              <!--              <el-option label="职员" value="10"></el-option>-->
              <!--              <el-option label="经理" value="20"></el-option>-->
              <!--              <el-option label="总监" value="30"></el-option>-->
              <!--              <el-option label="总裁" value="40"></el-option>-->
              <el-option v-for="item in levelOptions"
                         :label="item.label" :value="item.value"></el-option>
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="直属领导">
            <el-select placeholder="请选择" v-model="saveUserForm.parentId">
              <el-option v-for="item in leaderOptions"
                         :label="item.username" :value="item.id"></el-option>
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="4">
          <el-form-item label="性别">
            <el-radio-group v-model="saveUserForm.gender">
              <el-radio border label="男" value="1" style="margin: 0;"></el-radio>
              <el-radio border label="女" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item label="用户状态">
            <el-radio-group v-model="saveUserForm.status">
              <el-radio border label="启用" value="1" style="margin: 0;"></el-radio>
              <el-radio border label="禁用" value="0"></el-radio>
            </el-radio-group>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <el-button @click="handleClose">取消</el-button>
      <el-button type="primary" @click="saveUser">保存</el-button>
    </template>
  </el-dialog>

  <!-- 用户搜索卡片 -->
  <el-card style="margin: 20px;height: 70px;">
    <el-form :inline="true">
      <el-form-item label="用户搜索" style="width: 220px;">
        <el-input placeholder="请输入用户名"
                  v-model="searchUserForm.username" @keydown.enter="loadUser"></el-input>
      </el-form-item>
      <el-form-item label="用户状态" style="width: 290px;">
        <el-select placeholder="请选择用户状态"
                   v-model="searchUserForm.status" @change="loadUser">
          <el-option label="启用" value="1"></el-option>
          <el-option label="禁用" value="0"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button @click="resetSearch">重置</el-button>
        <el-button type="primary" @click="loadUser">查询</el-button>
      </el-form-item>
    </el-form>
  </el-card>
  <!-- 用户数据表格卡片 -->
  <el-card style="margin:20px;">
    <el-table :data="userArr">
      <el-table-column label="编号" type="index" width="80" align="center"></el-table-column>
      <el-table-column label="用户名" prop="username" align="center"></el-table-column>
      <el-table-column label="手机号" prop="phone" align="center"></el-table-column>
      <el-table-column label="加入时间" prop="createTime" align="center"></el-table-column>
      <el-table-column label="用户状态" prop="status" align="center">
        <template #default="scope">
          <el-switch active-value="1" inactive-value="0"
                     v-model="scope.row.status" :disabled="scope.row.level==40"
                     @change="changeStatus(scope.row.id,scope.row.status)"></el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center">
        <template #default="scope">
          <el-button link type="primary" :disabled="scope.row.level==40"
                     @click="resetPassword(scope.row.id)">密码重置</el-button>
          <el-button link type="primary" :disabled="scope.row.level==40"
                     @click="editUser(scope.row.id)">编辑</el-button>
          <el-button link type="primary" :disabled="scope.row.level==40"
                     @click="deleteUser(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
  </el-card>
</template>

<script setup>
import {onMounted, ref} from "vue";
import axios from "axios";
import qs, {parse} from "qs";
import {ElMessage} from "element-plus";

//定义变量控制弹窗是否出现
const dialogVisible = ref(false);
//定义变量用来保存弹窗的标题
const dialogTitle = ref("新建用户");
//点击"新建用户"按钮,让弹窗出现且改标题
const beforeAddUser = ()=>{
  dialogTitle.value = "新建用户";
  dialogVisible.value = true;
}

//定义数组用来维护员工职级
const levelOptions = ref([
  {label:'员工',value:'10'},
  {label:'经理',value:'20'},
  {label:'总监',value:'30'},
  {label:'总裁',value:'40'}
]);
//定义数组用来维护直属领导数据
const leaderOptions = ref([
  {username:'AA',id:'101'},
  {username:'BB',id:'102'}
]);

//定义对象用来保存表单中的员工数据
const saveUserForm = ref({
  username:'',
  phone:'',
  email:'',
  age:'',
  level:'',
  parentId:'',
  gender:'',
  status:''
});
//定义保存用户的方法
const saveUser = () => {
  let data = qs.stringify(saveUserForm.value);
  //console.log(data);
  axios.post(BASE_URL+'/v1/user/save',data)
      .then((response)=>{
        if(response.data.code==2000){
          ElMessage.success('保存成功!');
          //保存成功后要:关弹窗+清除弹窗关联的表单数据
          dialogVisible.value = false;
          saveUserForm.value = {};
          //新增与编辑用户后都需要重新加载用户数据
          loadUser();
        }else{
          ElMessage.error(response.data.msg);
        }
      })
}

//处理弹窗关闭的方法
const handleClose = ()=>{
  if(confirm("确定要关闭弹窗吗?")){
    //关闭弹窗且清空已输入的数据
    dialogVisible.value = false;
    saveUserForm.value = {};
  }
}

//定义对象用来保存搜索卡片的用户搜索条件
const searchUserForm = ref({username:'', status:''});
//定义数组用来保存用户表格数据
const userArr = ref([]);
//定义加载用户数据的方法
const loadUser = ()=>{
  let data = qs.stringify(searchUserForm.value);
  //注意:有条件根据搜索条件查,没有条件默认查询所有的用户,所以是以 ? 拼接的方式传参的,是get请求!
  axios.get(BASE_URL+'/v1/user/select?'+data).then((response)=>{
    if(response.data.code==2000){
      userArr.value = response.data.data;
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}

//页面一加载完毕,立即调用加载用户的方法
onMounted(()=>{
  loadUser();
})

//定义重置按钮的方法
const resetSearch = ()=>{
  //清空之前写的搜索条件
  searchUserForm.value = {};
  //重新加载所有的用户数据
  loadUser();
}

//定义方法用于加载直属领导数据
const loadLeader = ()=>{
  //优化:如果已经勾选了直属领导,再想重新选择职级的话
  //需要将之前的领导数据与已选直属领导数据都清空!
  leaderOptions.value = [];
  saveUserForm.value.parentId = '';
  let level = parseInt(saveUserForm.value.level)+10;
  axios.get(BASE_URL+'/v1/user/select?level='+level).then((response)=>{
    if(response.data.code==2000){
      leaderOptions.value = response.data.data;
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}

//定义函数处理密码重置 restful风格
const resetPassword = (userId)=>{
  axios.post(BASE_URL+'/v1/user/update/password/'+userId).then((response)=>{
    if(response.data.code==2000){
      ElMessage.success('密码重置成功!');
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}
//点击用户表格的"编辑"按钮
const editUser = (id)=>{
  dialogVisible.value = true;
  dialogTitle.value = '编辑员工';
  //需要根据当前行的用户id查询该用户的详细信息,回显在弹窗表单中
  axios.get(BASE_URL+'/v1/user/select?id='+id).then((response)=>{
    if(response.data.code==2000){
      //注意:后端返回的是List<UserVO>,所以查一条数据的话拿的是集合的第一个元素data[0]
      saveUserForm.value = response.data.data[0];
      //获取可选直属领导数据
      let level = parseInt(saveUserForm.value.level)+10;
      axios.get(BASE_URL+'/v1/user/select?level='+level).then((response)=>{
        if(response.data.code==2000){
          leaderOptions.value = response.data.data;
        }else{
          ElMessage.error(response.data.msg);
        }
      })
    }else{
      ElMessage.error(response.data.msg);
    }
  })
}

//定义方法修改员工状态
const changeStatus = (userId,status)=>{
  axios.post(BASE_URL+'/v1/user/update/status/'+userId+'/'+status)
      .then((response)=>{
        if(response.data.code==2000){
          ElMessage.success('修改成功!');
        }else{
          ElMessage.error(response.data.msg);
        }
      })
}
//定义删除员工的方法
const deleteUser =(userId)=>{
  if(confirm('您确认要删除该员工吗?')){
    axios.post(BASE_URL+'/v1/user/delete/'+userId).then((reponse)=>{
      if(reponse.data.code==2000){
        ElMessage.success('删除成功!');
        //删除成功后重新加载用户数据
        loadUser();
      }else{
        ElMessage.error(reponse.data.msg);
      }
    })
  }
}
</script>

<style scoped>

</style>